yes what Steve said... I was pretty dumbfounded when I could not get my tires up to temp without thrashing them pretty hard with temps in the 50's... I have always just parked the bike when it got into the 50's (just not comfortable being cold).. cold pavement and cold air are not your friends...
Now I see I had other things going for me... front tire does much better if you are pushing it a bit but that 60-70 degree tire is useless... (and this was starting at 31psi)
Oh and this is not a Busa rider... it is a guy I have hounded to slow down.. his normal was no lid, no jacket and no gloves (I posted a pic of him earlier in the season mounting his bike near naked..... I would not ride with him until he had at least gloves, jacket and helmet on..
Well I spoke with him and the lid is junk, the jacket is junk (my jacket) and his gloves are trashed.. he is most grateful to only be bruised up.. I will get photos of gear and bike tomorrow.. bike was recovered about 100' down an embankment by cable..